nycgovparks.org XSS vulnerability

Vulnerable URL: https://www.nycgovparks.org/about/history/historical-signs/monuments?borough=Brooklyn"'--!=4 Details: Description| Value ---|--- Patched:| No Latest check for patch:| 01.08.2017 Vulnerability type:| XSS Vulnerability status:| Publicly disclosed Alexa Rank| 55652 VIP website status...